.sys-page-container{
    width: 100vw;
    height: 100vh;
    display: flex;
}
.sys-page-container-main{
    flex-grow: 1;
    background-color: #f4f4f4;
}
.sys-menu-container{
    transition: width 0.3s;
    border-right: 1px solid #f0f0f0;
}